Fuel-heater.



J. G. SKINNER.

FUEL HEATER.

APPLICATION FILED D30. 18. 1913.

2 SHEETS'SIIEBT 1.

1,1 14,924, Patented Oct. 27', 1914.

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WITNESSES: .111 3].: i xii 57 gzw By D ga bmm J. G. SKINNER.

FUEL HEATER.

APPLIOATIOH FILED D110. 18, 1913- 1, 1 14,924. Patented Oct. 27, 1914.

2 BHBETSSHEET 2.

INVIJNTOR. J 6'. J/Y/lJI/TI/BJ Nays. 1

WITNESSES:

JOHN C. SKINNER, OIE STOCKTON, CALIFORNIA.

FUEL-HEATER.

Specification of Letters Patent.

Patented Oct. 2'7, 1914.

Application filed December 18, 1913. Serial No. 807,446.

To all whom it may concern:

Be it known that 1, JOHN C. SKINNER, a citizen of the United States,residing at Stockton, in the county of San Joaquin and State ofCalifornia, have invented certain new and useful Improvements in Fuel-Heaters; and I do declare the following to be a clear, full, and exactdescription of the same, such as will enable others skilled in the artto which it appertains to make and use the same, reference being had tothe accompanying drawings, and to the characters of reference markedthereon, which form a part of this application.

This invention relates to improvements in internal combustion motors andparticularly to the fuel supply and intake means thereof, the object ofthe invention being to produce a heater for the fuel by means of which alow grade fuel may be used with the same degree of efliciency as ahigher grade and whereby a very much smaller amount of fuel is requiredto operate the motor.

Other advantages gained by the use of my improved invention are that themotor may be regulated to operate much more smoothly and cooler and becontrolled or throttled down to a greater degree of nicety than is nowordinarily accomplished in this type of motor. v f

A further object of the invention is to produce a simple and inexpensivedevice and yet one which will be exceedingly effective for the purposesfor which it is designed.

These ob ects, I accomplish by means of such structure and relativearrangement of the parts as will fully appear by a perusal of thefollowing specification and claims.

On the drawings, similar characters of reference indicate correspondingparts in the several views.

Figure 1 is a side elevation of an explosive motor with my improvedheater installed thereon. Fig. 2 is a top lan view of the same. Fig. 3IS a side elevation of my improved heater. Fig. 4 is a sectional vlew ofthe same.

Referring now more particularly to the characters of reference on thedrawings, the numeral 1 designates the motor which may be of any usualtype, and 2, the carbureter thereon, and 3, the manifold intake plpeswhich are ordinarily connected with the carbureter. My improved heateris installed between and connects with the carbureter and manifold pipesand is constructed and .a flange 15 at each en 1 numeral 9 designates afuel supply pipe,

which leads into the member 4 where it is coiled around the member 5 andthen passes out of said member 4 and connects with the carburetor 2 inthe usual manner. The numeral l1 designates a hot water pipe taken fromany suitable point on the upper water pipe 12 and projects into themember 5 where it is formed into a pair of inverted conical shapedcoils, the said pipe from the lower convolution of the lower coil com-'municating with the member 4, there being I an outlet pipe 14 from theupper end of the member 4 leading back to the connection with the waterjacket of the motor or with the radiator as may be desired, whereby withthe circulation of the water through the motor, the hottest water willcirculate through the pipe 11, coils 13, casing 4, pipe 14 and back tothe water supply of the motor. The said casin 4 is provided with wherebyit may be suitably bolted to the carbureter on one side and to themanifold pipes on the other side.

When my improved device is installed, as

designated, and the motor is running, there a is a continuouscirculation of hot water through the coils 13 and also through'thecasing 4 by reason of the connection noted. The fuel passes from thesupply tank 10, through the pipe 9, and into the casing 4 where itpasses through the coils in the casing, becoming thoroughly warmed byreason of the circulation of the warm water therethrough. After leavingthe casing 4, the fuel then passes into the carbureter 2 and with thesuction of the engine is drawn from the carbureter through the opening 8and into and through the member 5. As fuel is drawn through the member5, the shape of the opening 7 and 8 and the position of the conicalcoils 13, causes it to be carried directly up through the center of themember 5 thus overcomin its tendency to creep in a film up the si e ofthe said casing 5. The coils 13 being hot by reason Lani of thecirculation of the hot water therethrough, tend to thoroughly heat thefuel as it passes therethrough, thus greatly aiding in its combustionwhen it reaches the motor.

From the foregoing description it will readily be seen that I haveproduced such a device as substantially fulfils the objects of theinvention as set forth herein.

While this specification sets forth in detail the present and preferredconstruction of the device, still in practice, such deviations from suchdetail may be resorted to as do not form a departure from the spirit ofthe invention.

Having thus described my invention what I claim as new and useful anddesire to secure by Letters Patent is:

1. A fuel heater comprising a casing, a tubular member'spaced withinsaid casing forming an intermediate chamber, said tubular member havingan opening at each end, a pipe leading into and through said tubularmember and then communicating with said chamber, a pipe leading into andthrough said chamber and leading thence from said chamber, and meansadmitting a heating medium to said first named pipe, as described.

2. A fuel heater comprising a casing, a tubular member spaced withinsaid casing and forming an intermediate chamber, a pipe leading intosaid tubular member and being formed into coils therein and thencommunicating with said chamber, a pipe leading into such chamber andbeing formed into coils therein and leading thence from said chamber,and means admitting a heating medium to said first named pipe, asdescribed.

3. A fuel heater comprising a casing, a tubular member spaced Withinsaid casing forming an intermediate chamber, a pipe projecting into saidtubular member and being formed in a plurality of conical coils thereinand thence communicating with said chamber, another pipe projecting intosaid chamber and being formed into coils therein and leading thence fromsaid chamber and means admitting a heating medium to said first namedpipe, as described.

In testimony whereof I affix my signature in presenceof two witnesses.

J OHN G. SKINNER. Witnesses J. B. WEBSTER, CLARENCE M. SMITH.

